Premier Equine Santadi Adjustable Running MartingaleEasily fitted and adjusted at both the shoulder and girth. The neck straps are also adjustable so that you can fully customise the fit to suit your horses individual needs. Finished with premium quality stainless steel buckles and fixtures this martingale is ideal for everyday use no matter what your discipline. Why use a running martingale? Running martingales are used to help prevent a horse from raising its head above a point where it can be